| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef GrVkCaps_DEFINED |
| #define GrVkCaps_DEFINED |
| |
| #include "GrCaps.h" |
| #include "GrVkStencilAttachment.h" |
| #include "vk/GrVkDefines.h" |
| |
| struct GrVkInterface; |
| class GrGLSLCaps; |
| |
| /** |
| * Stores some capabilities of a Vk backend. |
| */ |
| class GrVkCaps : public GrCaps { |
| public: |
| typedef GrVkStencilAttachment::Format StencilFormat; |
| |
| /** |
| * Creates a GrVkCaps that is set such that nothing is supported. The init function should |
| * be called to fill out the caps. |
| */ |
| GrVkCaps(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface, |
| VkPhysicalDevice device, uint32_t featureFlags, uint32_t extensionFlags); |
| |
| bool isConfigTexturable(GrPixelConfig config) const override { |
| return SkToBool(ConfigInfo::kTextureable_Flag & fConfigTable[config].fOptimalFlags); |
| } |
| |
| bool isConfigRenderable(GrPixelConfig config, bool withMSAA) const override { |
| return SkToBool(ConfigInfo::kRenderable_Flag & fConfigTable[config].fOptimalFlags); |
| } |
| |
| bool isConfigTexturableLinearly(GrPixelConfig config) const { |
| return SkToBool(ConfigInfo::kTextureable_Flag & fConfigTable[config].fLinearFlags); |
| } |
| |
| bool isConfigRenderableLinearly(GrPixelConfig config, bool withMSAA) const { |
| return !withMSAA && SkToBool(ConfigInfo::kRenderable_Flag & |
| fConfigTable[config].fLinearFlags); |
| } |
| |
| bool configCanBeDstofBlit(GrPixelConfig config, bool linearTiled) const { |
| const uint16_t& flags = linearTiled ? fConfigTable[config].fLinearFlags : |
| fConfigTable[config].fOptimalFlags; |
| return SkToBool(ConfigInfo::kBlitDst_Flag & flags); |
| } |
| |
| bool configCanBeSrcofBlit(GrPixelConfig config, bool linearTiled) const { |
| const uint16_t& flags = linearTiled ? fConfigTable[config].fLinearFlags : |
| fConfigTable[config].fOptimalFlags; |
| return SkToBool(ConfigInfo::kBlitSrc_Flag & flags); |
| } |
| |
| bool canUseGLSLForShaderModule() const { |
| return fCanUseGLSLForShaderModule; |
| } |
| |
| bool mustDoCopiesFromOrigin() const { |
| return fMustDoCopiesFromOrigin; |
| } |
| |
| bool supportsCopiesAsDraws() const { |
| return fSupportsCopiesAsDraws; |
| } |
| |
| bool mustSubmitCommandsBeforeCopyOp() const { |
| return fMustSubmitCommandsBeforeCopyOp; |
| } |
| |
| /** |
| * Returns both a supported and most prefered stencil format to use in draws. |
| */ |
| const StencilFormat& preferedStencilFormat() const { |
| return fPreferedStencilFormat; |
| } |
| |
| GrGLSLCaps* glslCaps() const { return reinterpret_cast<GrGLSLCaps*>(fShaderCaps.get()); } |
| |
| private: |
| enum VkVendor { |
| kQualcomm_VkVendor = 20803, |
| kNvidia_VkVendor = 4318, |
| }; |
| |
| void init(const GrContextOptions& contextOptions, const GrVkInterface* vkInterface, |
| VkPhysicalDevice device, uint32_t featureFlags, uint32_t extensionFlags); |
| void initGrCaps(const VkPhysicalDeviceProperties&, |
| const VkPhysicalDeviceMemoryProperties&, |
| uint32_t featureFlags); |
| void initGLSLCaps(const VkPhysicalDeviceProperties&, uint32_t featureFlags); |
| void initSampleCount(const VkPhysicalDeviceProperties& properties); |
| |
| |
| void initConfigTable(const GrVkInterface*, VkPhysicalDevice); |
| void initStencilFormat(const GrVkInterface* iface, VkPhysicalDevice physDev); |
| |
| struct ConfigInfo { |
| ConfigInfo() : fOptimalFlags(0), fLinearFlags(0) {} |
| |
| void init(const GrVkInterface*, VkPhysicalDevice, VkFormat); |
| static void InitConfigFlags(VkFormatFeatureFlags, uint16_t* flags); |
| |
| enum { |
| kTextureable_Flag = 0x1, |
| kRenderable_Flag = 0x2, |
| kBlitSrc_Flag = 0x4, |
| kBlitDst_Flag = 0x8, |
| }; |
| |
| uint16_t fOptimalFlags; |
| uint16_t fLinearFlags; |
| }; |
| ConfigInfo fConfigTable[kGrPixelConfigCnt]; |
| |
| StencilFormat fPreferedStencilFormat; |
| |
| // Tells of if we can pass in straight GLSL string into vkCreateShaderModule |
| bool fCanUseGLSLForShaderModule; |
| |
| // On Adreno vulkan, they do not respect the imageOffset parameter at least in |
| // copyImageToBuffer. This flag says that we must do the copy starting from the origin always. |
| bool fMustDoCopiesFromOrigin; |
| |
| // Check whether we support using draws for copies. |
| bool fSupportsCopiesAsDraws; |
| |
| // On Nvidia there is a current bug where we must the current command buffer before copy |
| // operations or else the copy will not happen. This includes copies, blits, resolves, and copy |
| // as draws. |
| bool fMustSubmitCommandsBeforeCopyOp; |
| |
| typedef GrCaps INHERITED; |
| }; |
| |
| #endif |